CVE-2025-43919

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-43919
GNU Mailman 2.1.39, as bundled in cPanel (and WHM), allows unauthenticated attackers to read arbitrary files via ../ directory traversal at /mailman/private/mailman (aka the private archive authentication endpoint) via the username parameter. NOTE: multiple third parties report that they are unable to reproduce this, regardless of whether cPanel or WHM is used.

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://code.launchpad.net/~mailman-coders/mailman/2.1 Product
https://github.com/0NYX-MY7H/CVE-2025-43919 Exploit Mitigation Third Party Advisory
https://github.com/cpanel/mailman2-python3
https://www.openwall.com/lists/oss-security/2025/04/21/6
Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:mailman:*:*:*:*:*:*:*:*
History

28 Apr 2025, 14:15

Type Values Removed Values Added
References
  • () https://www.openwall.com/lists/oss-security/2025/04/21/6 -
  • () https://github.com/cpanel/mailman2-python3 -
References () https://github.com/0NYX-MY7H/CVE-2025-43919 - Exploit, Third Party Advisory, Mitigation () https://github.com/0NYX-MY7H/CVE-2025-43919 - Exploit, Mitigation, Third Party Advisory
Summary GNU Mailman 2.1.39, as bundled in cPanel (and WHM), allows unauthenticated attackers to read arbitrary files via ../ directory traversal at /mailman/private/mailman (aka the private archive authentication endpoint) via the username parameter. GNU Mailman 2.1.39, as bundled in cPanel (and WHM), allows unauthenticated attackers to read arbitrary files via ../ directory traversal at /mailman/private/mailman (aka the private archive authentication endpoint) via the username parameter. NOTE: multiple third parties report that they are unable to reproduce this, regardless of whether cPanel or WHM is used.

24 Apr 2025, 16:22

Type Values Removed Values Added
First Time Gnu mailman
Gnu
CPE cpe:2.3:a:gnu:mailman:*:*:*:*:*:*:*:*
References () https://github.com/0NYX-MY7H/CVE-2025-43919 - () https://github.com/0NYX-MY7H/CVE-2025-43919 - Exploit, Third Party Advisory, Mitigation
References () https://code.launchpad.net/~mailman-coders/mailman/2.1 - () https://code.launchpad.net/~mailman-coders/mailman/2.1 - Product
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5
CWE CWE-22

20 Apr 2025, 01:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-04-20 01:15

Updated : 2025-04-28 14:15

NVD link : CVE-2025-43919

Mitre link : CVE-2025-43919

JSON object : View

Products Affected

gnu

  • mailman
CWE
CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')